Communications: electrical – Watercraft alarm or indicating systems
Patent
1993-02-18
1994-11-22
Swarthout, Brent
Communications: electrical
Watercraft alarm or indicating systems
455 89, G08B 2300
Patent
active
053672968
ABSTRACT:
The present invention relates to a communication signal device. The communication signal device is mounted on a boat and contains a radio, a light beacon, and an emergency position indicating radio beacon.
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Kroll Michael I.
Swarthout Brent
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